Pangaea: means "all lands"- a supercontinent existed 300 million years Continental Drift: the movement of continents over time Fossil: trace of an organism that has been preserved in rock
Outline Summary
Africa and South America look like they fit together
couldn't prove how continents drifted
Theory of Continental Drift
1910/ Wegener
hypothesis is single landmass called Pangaea
supported ideas with study of landforms, fossils, and climate
Scientists rejected Wegener's theory
Wegener got evidence from fossils
common fossils is found on distant continents
2 reptiles found in places now seperated
Evidence from climate
continents today have very different climate from millions of years ago
Table of Contents
1.3 Drifting Continents
Vocabulary
Pangaea: means "all lands"- a supercontinent existed 300 million years
Continental Drift: the movement of continents over time
Fossil: trace of an organism that has been preserved in rock
Outline
Summary
Theory of Continental Drift
Scientists Rejected Wegener's Theory